The Apostle Paul
1 Corinthians 7:6ESV·traditional attribution

Now as a concession, not a command, I say this.

John Calvin Reformed @genevareformer

6. By permission That they might not, by taking their stand upon a precept of the kind that he had prescribed, loosen unduly the restraints of lust, “Leurs affections desordonnees;” — “Their inordinate affections.” he adds a limitation — that he had written these things on account of their infirmity — that they may bear in mind that marriage is a remedy for unchastity, lest...

Matthew Henry Presbyterian @wholebiblehenry

The apostle comes now, as a faithful and skilful casuist, to answer some cases of conscience which the Corinthians had proposed to him. Those were things whereof they wrote to him, Co1 7:1. As the lips of ministers should keep knowledge, so the people should ask the law at their mouths. The apostle was as ready to resolve as they were to propose their doubts.

Commenting on 1 Corinthians 7:1-9

John Gill Reformed Baptist @doctorgill

But I speak this by permission,.... Referring either to what he had said before, though not to all; not to Co1 7:2 that for the avoiding of fornication, every man should make use of his own wife, and every woman of her own husband; since this is not by permission, but by command, Gen 2:24 that carnal copulation should be between one man and one...